The National Housing Federation has said Newham's plans to relocate tenants out of London "is a desperate move which demonstrates the scale of the housing crisis".
It urged the Government and the London Mayor to take urgent action.
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The mayor said a post-Brexit visa system was needed to maintain the supply of skilled migrant workers for London's economy.
Peter Barnett made hundreds of trips from his home in Oxfordshire to Marylebone station without paying the full fare.
Police say he may have attacked more children and urged them to come forward.